Home / 7,619.12-10,515.69-4,434.26

Finding the Fourth Proportional to 7,619.12, 10,515.69 and 4,434.26

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Solution

The fourth proportional to 7,619.12, 10,515.69 and 4,434.26 is: 6,120.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.12 : 10,515.69 = 4,434.26 : x
  2. Step 2: Convert to fraction form
    7,619.12/10,515.69 = 4,434.26/x
  3. Step 3: Cross multiply
    7,619.12x = 10,515.69 × 4,434.26
  4. Step 4: Simplify right side
    7,619.12x = 46,629,303.54
  5. Step 5: Solve for x
    x = 46,629,303.54/7,619.12
  6. Step 6: Final answer
    x = 6,120.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.